AS12389 178.45.152.0/21 CIDR and IP Range Summary.ASN: 12389 - PJSC RostelecomHost Count: 2046Addressable IPs: 2048178.45.152.0/24178.45.153.0/24178.45.154.0/24178.45.155.0/24178.45.156.0/24178.45.157.0/24178.45.158.0/24178.45.159.0/24